Rocking mechanism for exercise chair



FIG. 1 is a perspective view of the rocking mechanism for an exercise chair;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is an opposite side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is another side view thereof; and,

FIG. 9 is another side view thereof.

The broken lines illustrate environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a rocking mechanism for an exercise chair, as shown and described. 